loading
Papers

Research.Publish.Connect.

Paper

Paper Unlock

Authors: Sang Min Yoon and Holger Graf

Affiliation: ZGDV, Computer Graphics Center, Germany

ISBN: 978-989-8111-67-8

Keyword(s): Alpha matting, Trimap extraction, Gradient field.

Related Ontology Subjects/Areas/Topics: Applications ; Computer Vision, Visualization and Computer Graphics ; Geometry and Modeling ; Image-Based Modeling ; Modeling of Natural Scenes and Phenomena ; Pattern Recognition ; Software Engineering ; Texture Models, Analysis, and Synthesis

Abstract: Image/Video Matting aims at solving the problem of accurate foreground estimation from a given background within still images or video sequences. The standard alpha matting method starts from a trimap, which separates an input image into three regions: definitely foreground, definitely background, and unknown regions. This paper presents an automatic trimap extraction based on an affine transformation of gradient fields in order to achieve an improved and robust Image/Video matting method. A gradient field based background and foreground segmentation technique provides a trimap extraction, which is robust to changing light conditions within semi-transparent objects. Our proposed background subtraction is based on affine transformed gradient projections of the input and background image and removes the background texture from a given image, preserving the texture of the foreground objects. The presented automatic trimap extraction method reduces the manual labor work in extracting and embedding target objects into a new background image or video sequences and might find its application within the broadcasting or movie industry. (More)

PDF ImageFull Text

Download
CC BY-NC-ND 4.0

Sign In Guest: Register as new SciTePress user now for free.

Sign In SciTePress user: please login.

PDF ImageMy Papers

You are not signed in, therefore limits apply to your IP address 3.231.228.109

In the current month:
Recent papers: 100 available of 100 total
2+ years older papers: 200 available of 200 total

Paper citation in several formats:
Yoon S.; Graf H. and (2009). AUTOMATIC TRIMAP EXTRACTION FOR EFFICIENT ALPHA MATTING BASED ON GRADIENT FIELD TRANSFORMS.In Proceedings of the Fourth International Conference on Computer Graphics Theory and Applications - Volume 1: GRAPP, (VISIGRAPP 2009) ISBN 978-989-8111-67-8, pages 52-57. DOI: 10.5220/0001766800520057

@conference{grapp09,
author={Sang Min Yoon and Holger Graf},
title={AUTOMATIC TRIMAP EXTRACTION FOR EFFICIENT ALPHA MATTING BASED ON GRADIENT FIELD TRANSFORMS},
booktitle={Proceedings of the Fourth International Conference on Computer Graphics Theory and Applications - Volume 1: GRAPP, (VISIGRAPP 2009)},
year={2009},
pages={52-57},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0001766800520057},
isbn={978-989-8111-67-8},
}

TY - CONF

JO - Proceedings of the Fourth International Conference on Computer Graphics Theory and Applications - Volume 1: GRAPP, (VISIGRAPP 2009)
TI - AUTOMATIC TRIMAP EXTRACTION FOR EFFICIENT ALPHA MATTING BASED ON GRADIENT FIELD TRANSFORMS
SN - 978-989-8111-67-8
AU - Yoon, S.
AU - Graf, H.
PY - 2009
SP - 52
EP - 57
DO - 10.5220/0001766800520057

Login or register to post comments.

Comments on this Paper: Be the first to review this paper.